Feature: Adding Checkout Services and Events

src/Checkout/Events/ShippingAddressSet.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Modules\Core\Checkout\Events;
+
+use Lunar\Base\Addressable;
+use Lunar\Models\Cart;
+
+/**
+ * Dispatched by CheckoutService::setShippingAddress() — Lunar itself
+ * dispatches no checkout-lifecycle events at all (same gap CartService's
+ * events fill for cart mutations; see docs/cart.md). Feeds
+ * abandoned-checkout stage tracking / conversion-funnel analytics (neither
+ * built yet — see docs/checkout.md), which is why $address is carried
+ * directly rather than requiring a listener to re-read it off the cart.
+ */
+class ShippingAddressSet
+{
+    public function __construct(
+        public readonly Cart $cart,
+        public readonly array|Addressable $address,
+    ) {}
+}